The decoder system is for use on the Mauer President 8 lever safe lock, probably the most commonly used safe lock in the world. The system is very easy to use and does not involve picking or tension based methods. The system is supplied with a variable key which is used to open the lock once the code has been determined.
The only limitation to the system is that it requires a little aptitude and period of training before use.
The user of this sytem should be able to pick the lock open in less than ten minutes.
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